| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 5438-1985 | English | 489 |
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Days<=3
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Characteristics and measuring methods for monophonic and stereophonic transmissions
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GB/T 5438-1985
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GB/T 5438-1985
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